Re: Forcing a USB device to "ugen"

[Thor Lancelot Simon <tls%panix.com@localhost>]

On Tue, Mar 26, 2024 at 12:25:07AM +0000, Taylor R Campbell wrote:
> 
> We should really expose a /dev/ugen* instance for _every_ USB device;
> those that have kernel drivers attached have only limited access via
> /dev/ugen* (no reads, writes, transfer ioctls, &c.), until you do
> ioctl(USB_KICK_OUT_KERNEL_DRIVER) or whatever, at which point the
> kernel driver will detach and the user program can take over instead
> and use the full ugen(4) API.

I don't think this can be safely allowed at security level > 0, unless,
perhaps, it's restricted from working on devices that would match disk
drivers.